Home / 19,158.48-26,438.64-10,660.56

Finding the Fourth Proportional to 19,158.48, 26,438.64 and 10,660.56

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Solution

The fourth proportional to 19,158.48, 26,438.64 and 10,660.56 is: 14,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.48 : 26,438.64 = 10,660.56 : x
  2. Step 2: Convert to fraction form
    19,158.48/26,438.64 = 10,660.56/x
  3. Step 3: Cross multiply
    19,158.48x = 26,438.64 × 10,660.56
  4. Step 4: Simplify right side
    19,158.48x = 281,850,708.04
  5. Step 5: Solve for x
    x = 281,850,708.04/19,158.48
  6. Step 6: Final answer
    x = 14,711.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.